<html xmlns="http://www.w3.org/1999/xhtml"
      xmlns:html="http://www.w3.org/1999/xhtml"
      xmlns:xbl="http://www.mozilla.org/xbl"
      xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
      class="reftest-wait">
<head>
  <xbl:bindings xmlns="http://www.mozilla.org/xbl">
    <binding id="base">
      <content>
        <html:div style="border: solid red">
          <children />
        </html:div>
      </content>
      <implementation>
        <property name="foo" onget="return 42" />
      </implementation>
    </binding>
    <binding id="derived" extends="#base">
      <content>
        <html:div style="border: dashed green">
          <children includes="span" />
        </html:div>
      </content>
    </binding>
    <binding id="nochildren">
      <content>
        PASS
      </content>
    </binding>
  </xbl:bindings>
</head>
<body>
  <!-- Control case: our (only) child matches the children element. -->
  <div id="first" style="-moz-binding: url(#derived)"><span style="color: green">should be green in a green border</span></div>
  <!-- Make sure we ignore xul:template and xul:observes elements! -->
  <div style="-moz-binding: url(#derived)"><xul:template /><xul:observes /><span style="color: green">should be green in a green border</span></div>
  <!-- Case where our (only) child doesn't match any children elements. -->
  <div id="second" style="-moz-binding: url(#derived)"><div>Should be uncolored with no border</div></div>
  <!-- But make sure the binding was still applied! -->
  <div id="output" />
  <script>
    var $ = document.getElementById.bind(document);
    // Note: Done in an onload handler because binding instantiation is
    // asynchronous.
    onload = function() {
      $('output').textContent =
        ($('first').foo === 42) + ", " + ($('first').foo === $('second').foo);
      document.documentElement.removeAttribute('class');
    }
  </script>
  <!-- Case where one of our children matches but the other one doesn't. -->
  <div id="third" style="-moz-binding: url(#derived)"><span>In a span</span><div>Should be uncolored with no border</div></div>

  <!-- Control case with no <children> in the binding. -->
  <div style="-moz-binding: url(#nochildren)" />
  <!-- Case where we have a child but no <children> in the binding. -->
  <div style="-moz-binding: url(#nochildren)"><span style="color: green">PASS</span></div>
  <!-- But we must ignore xul:template and xul:observes elements! -->
  <div style="-moz-binding: url(#nochildren)"><xul:template /><xul:observes /></div>
</body>
</html>
